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5
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The outer membrane enclosing the embryo in reptiles, birds, and mammals. In placental mammals it contributes to the development of the placenta.
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8
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The attachment of the fertilized egg or blastocyst to the wall of the uterus at the start of pregnancy, often delayed in some mammals by several months.
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9
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The process of carrying or being carried in the womb between conception and birth.
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10
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The modified blastula of a placental mammal
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12
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The action of conceiving a child or of a child being conceived.
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14
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An unborn offspring of a mammal, in particular an unborn human baby more than eight weeks after conception
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1
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An unborn or unhatched offspring in the process of development.
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2
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A flattened circular organ in the uterus of pregnant eutherian mammals, nourishing and maintaining the fetus through the umbilical cord.
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3
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The action or process of fertilizing an egg, female animal, or plant, involving the fusion of male and female gametes to form a zygote.
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4
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Relating to or affecting the navel or umbilical cord.
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6
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It surrounds a fetus, has long been considered a protected, almost inviolable, site.
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7
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A diploid cell resulting from the fusion of two haploid gametes; a fertilized ovum.
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11
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A solid ball of cells resulting from division of a fertilized ovum, and from which a blastula is formed.
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13
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Before birth; during or relating to pregnancy.
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